You are right! What a brain you have! Other correct answer(s) or important advice:
Only the frog—a singular antecedent—counts in terms of agreement.
Your score is 99%. Questions answered correctly first time: 19/20
Pronoun Agreement — Exercise 1


You nailed it! The verb will be shocked requires a subject, and she is the subjective pronoun.
Your score is 95%.
Pronoun Case — Exercise 2